data_global
_chemical_name_mineral 'Chromio-pargasite'
loop_
_publ_author_name
'Nishio-Hamane D'
'Ohnishi M'
'Minakawa T'
'Yamaura J'
'Saito S'
'Kadota R'
_journal_name_full 'Journal of Mineralogical and Petrological Sciences'
_journal_volume 107 
_journal_year 2012
_journal_page_first 1
_journal_page_last 7
_publ_section_title
;
 Ehimeite, NaCa2Mg4CrSi6Al2O22(OH)2: The first Cr-dominant amphibole
 from the Akaishi Mine, Higashi-Akaishi Mountain, Ehime Prefecture, Japan
 Note: name has been changed from ehimeite
;
_database_code_amcsd 0019938
_chemical_compound_source 'Akaishi mine, Higashi-Akaishi Mountain, Ehime Prefecture, Japan'
_chemical_formula_sum 'Si6.12 Al2.06 Mg4.06 Cr.6 Fe.14 Ti.02 Ca1.88 Na K.07 O24 H2'
_cell_length_a 9.91760
_cell_length_b 18.0057
_cell_length_c 5.28650
_cell_angle_alpha 90
_cell_angle_beta 105.3950
_cell_angle_gamma 90
_cell_volume 910.155
_exptl_crystal_density_diffrn      3.113
_symmetry_space_group_name_H-M 'C 1 2/m 1'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '1/2+x,1/2+y,z'
  'x,-y,z'
  '1/2+x,1/2-y,z'
  '-x,y,-z'
  '1/2-x,1/2+y,-z'
  '-x,-y,-z'
  '1/2-x,1/2-y,-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
_atom_site_U_iso_or_equiv
SiT1   0.28006   0.08505   0.30366   0.53000   0.00536
AlT1   0.28006   0.08505   0.30366   0.47000   0.00536
SiT2   0.28978   0.17287   0.81260   1.00000   0.00545
MgM1   0.00000   0.08883   0.50000   1.00000   0.00386
MgM2   0.00000   0.17560   0.00000   0.53000   0.00993
CrM2   0.00000   0.17560   0.00000   0.30000   0.00993
AlM2   0.00000   0.17560   0.00000   0.09000   0.00993
FeM2   0.00000   0.17560   0.00000   0.07000   0.00993
TiM2   0.00000   0.17560   0.00000   0.01000   0.00993
MgM3   0.00000   0.00000   0.00000   1.00000   0.00211
CaM4   0.00000   0.27969   0.50000   0.94000   0.00836
NaM4   0.00000   0.27969   0.50000   0.06000   0.00836
NaA   0.00000   0.50000   0.00000   0.88000   0.13500
KA   0.00000   0.50000   0.00000   0.07000   0.13500
O1   0.10739   0.08662   0.21821   1.00000   0.00840
O2   0.11988   0.17258   0.73037   1.00000   0.00746
O3   0.10788   0.00000   0.71708   1.00000   0.00882
O4   0.36554   0.24948   0.78665   1.00000   0.00925
O5   0.34953   0.14040   0.11364   1.00000   0.01102
O6   0.34428   0.11479   0.61427   1.00000   0.01164
O7   0.34128   0.00000   0.27210   1.00000   0.01315
H   0.19670   0.00000   0.74370   1.00000   0.00900
loop_
_atom_site_aniso_label
_atom_site_aniso_U_11
_atom_site_aniso_U_22
_atom_site_aniso_U_33
_atom_site_aniso_U_12
_atom_site_aniso_U_13
_atom_site_aniso_U_23
SiT1 0.00520 0.00515 0.00567 -0.00050 0.00132 -0.00034
AlT1 0.00520 0.00515 0.00567 -0.00050 0.00132 -0.00034
SiT2 0.00532 0.00570 0.00559 -0.00049 0.00190 0.00004
MgM1 0.00487 0.00380 0.00330 0.00000 0.00175 0.00000
MgM2 0.01022 0.00978 0.01005 0.00000 0.00318 0.00000
CrM2 0.01022 0.00978 0.01005 0.00000 0.00318 0.00000
AlM2 0.01022 0.00978 0.01005 0.00000 0.00318 0.00000
FeM2 0.01022 0.00978 0.01005 0.00000 0.00318 0.00000
TiM2 0.01022 0.00978 0.01005 0.00000 0.00318 0.00000
MgM3 0.00290 0.00168 0.00169 0.00000 0.00052 0.00000
CaM4 0.01032 0.00687 0.00942 0.00000 0.00532 0.00000
NaM4 0.01032 0.00687 0.00942 0.00000 0.00532 0.00000
NaA 0.02380 0.34300 0.04600 0.00000 0.02530 0.00000
KA 0.02380 0.34300 0.04600 0.00000 0.02530 0.00000
O1 0.00737 0.00999 0.00782 -0.00104 0.00196 0.00007
O2 0.00542 0.00862 0.00831 -0.00001 0.00180 0.00028
O3 0.00731 0.00880 0.01010 0.00000 0.00186 0.00000
O4 0.01063 0.00770 0.01030 -0.00263 0.00433 -0.00075
O5 0.00984 0.01316 0.00905 -0.00081 0.00073 0.00472
O6 0.00935 0.01232 0.01370 0.00049 0.00383 -0.00506
O7 0.00950 0.01420 0.01570 0.00000 0.00330 0.00000